Steel-joist manufacture



Jun n! :51. [6 4/742 I H. M. NAUGLE ET AL STEEL JOIST MANUFACTURE Get. 7

Filed Feb. 1'7

L922 4 Sheets 'Sheet 1 H. M. NAUGLE ET AL STEEL JOIST MANUEACTUHE Filed Feb. 17 ,1922 4 SheetsSheet s C J vwenfow ya? Md H. M. NAUGLE ET AL STEEL JOIST MANUFACTURE Filed Feb. 17, L922 4 Sheets-Sheet gwue 11* 014 swim-wise mmioh c'mnh .hpplieatlon 218i Febmary 17, me. semi m. 537,259.

- To all whom e'zmay camera: and to permitihe 11% of e roll of a minimum Be it ingewn thei we, HARRY M. NAUGLE diameter. and ARTHUR J. TOWNEFEID, citizens of the Theaceompenyihg drawings, forming part United residing at Canton, in the hereof, ShO'W an illustrative apparatus for is; couziiy of Stark and State of ()hio, have inexpanding a rolled I-beam in. accordance vented a new and useful improvement in with the present improvement. In the draw- Sieei-Joisi; Manufacture, of which the, foling s: lowing is speoifieai-ion. Figure 1 (in two parts) is a, vertical sec-. The invention relates to apparatus for tion,'on the longitudinal axis of the a 1e makin sieel joists and him like for use paratus;

in building construction in places Where Fig. 2 is af plah View, partly in section of .65 standard roll-sci siruotural shapes may not anI-beamin process of expansion showing be used because of the excessive Weight or a plan of the, first driving and flattening improper distribution of the metal therein; rolls, and a horizontal section of the deflect 35 and. $116 object of the invention is to expand in'g die and deflecting poll in the plane oi"? the thoweb oortioil of a rolled I-heam or other Web of the beam; i

structure shape into an integral lattice por- Fig. 3 is a cross sect-ion on line HE -Lil, tion in such a. manner that the stren tih of Figs. 1 and 2, throughthe forward end of the lattice will be coordinated. with t wt of the stationary deflecting die; 20 the without any excess metal being Fig. 4 is 2} cross section on line Iv -IV,

PPES-llli in any portion of the bezim. ljigs. 1 and 2 near the rear end of. the sie The expansion of the Web a flanged illonmy deflecting die; beam which has been slitted to form bars Fig. 5 is a cross section on line i -V and bonds, necessariiy requires a stretching Figs. 1 and 2, through the axis of izhe do 25 or elongation of ihe bars because the length fieciihg-rolls';

of the ileinges cannot heshor'teneol. An elon- Fig. 5 is a similar section of a modified geaion of hers efieciecl solelyby a. lateral deflecting roll; 7 separation of flanges, can oniy be aecom- Fig. 6 is a. fragmentary side plan of smplished to alimited extent, even though the I-heam; 30 'same is done an, a working heat. When more Fig. 7 is a, cross section of. the same;

than a single rowof hers is involved, difi- Fig. 8 is a plan of 1; e same, showing 5 ovjlty ie experienced in uniformly elongating. the web slitted to form bars; the same and in preventing a mpture or Fig. 9 is a cross seeiion of tho'smne on huclziilig the. bars the angle of their line IX-IX, Fig. 8; v i

v 'conneoi-ion with the bonds, Fig. 10 is a fragmentary elevation oi the The desired expansion may he 'RGCGEI- nip of the bar flattening rolls, showing an plisheii initieiiy xpanding the slil; web lI-beam in section with a slit Wei fiehteneci of a beam by a, separation of hhe'fl angesend be fiween the rolls; r an elongation of the bars, followed'by a fog Fig 11 is a fragmentary elevation of the ther elongation of the bars by a deflecting of hip of the web flattening rolls, showing a the intermediate rows of bonds from the fully expanded beam bisection with its Web lane of the Web by means of a roll operetflattened between the rolls; and mg between the flange bonds to'deilectbod- F 1g. 12 1s a fragmentary plan of a fully. ily the bars and intermediate bonds, as set a'xgandecl and flattened lattice web. 45 forth in our pending application Serial No. imiler numerals refer to similar parts 524,396, filed December 27, 19:21. throughout. the drawings. 1

The present improvement involves the use The apparatu may include, slitting rolls iiohai rguide die to act upon the in- 13 and 13 and flattening rolls 1% and 1% lite honols and bars, to partially cleprecede-d respectively by beam guides 15 and fleet the bonds and (1e loy and elongate the 15 and 16' and 16 and in rear of the bar bars and incline them ownwerd in front of flattening rolls are located stationary guides a. deflecting ar d elongating roll, so as to re 17 and 17 extending rearward to a bond duce the angle of incidence therewith, and deflecting roll 18, from which stationary facilitate the proper operation of the same, guides 19' and 19' extend mammal to Wei) fleeting intemediave bonds far fully @1011- gming flifi bars, and Imam laterally separwng the adjawm ban-dis f0? ezpsmdmg the,

, bars and-bends, ineiuding mmm's segigmting -the bonds to expand ths wsb mmmlly', a sin-'- tianary die initially deflecting intermadiate 02a ilhe slitfied. wsb, stationary the? deflecting intermadizwe bands to 81011: gate the bars fully, and means further sepmatin adjacent bonds for fully expanding 'thsa 4 V 7. Apparatus for expanding the Web of a structural shape or the like slit t0 fdrm bars ami bonds, including rolls far operating diverging guides for engaging and separatlng the edgefil of the sha e to separate the bars, rolls 101 receiving @118 partially sxpanded sham and bsdiiy defleatiz'lg file" deployed bays and bands in tension algdeion' ate the bars, and sta'sienaz y {iiverglnggui es engaging and for further expanding the web.

8.iAppara,tus for expanding the web of a structural shape 01 the like slit t0 form bars and bonds, including r0113 initially opmwiher se arating the edges 0f tha shape said shape mad .2; circumferentialenlargemmt for deflecting the. mtermediime "bunda tq gepgvrfla the bars, and iiatmning guides far regivmg sazd exmnded shmpa from said railer means and wiienin I and fiattenin it; bonds is alongsvte the bars, a rolbar dia fini- 9. In. apparatus of the c amcter descri ed, roller means cpmprising roovegnfur holding the edges sf :1 simciurfi shape 01;: the like having an intermediate partion slit to form bars and bonds, and mama having a cimumf arential enlargement-for. deflecting mid in- :iermediate'pqrtion to separate the bars.

10. In appam tus of the characper dascribed, martin roller means 'compx'iaim grooves fm: bul ing the edges of astructura. shape or the iike haying its wab siit' to farm bars and bends, said XDHBI 'mwnshavin a, circumferenniai enlargement Ear deflecting the slit web tdsepmtite the bars, @136; means for driving Sfiid mile means in 'unisam.

11. In apparatus of the characfier describe, grooved mils for hbiding-the edgaa of-a structurai shapa or the like slit inter mediate its edges t0 form bars and bee-n65, one of said rulis having a cig-cumferemial enlargemenp fur deflecting the slit portion 

